d. using a standard unit of measure for the duration of the study
DNA is translated to produce tRNA, which assembles proteins.
DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
RNA directs the production of DNA; DNA contains genes that produce tRNA, which builds the protein.
The most probable answer here is the third option from the top, but it not entirely accurate because mRNA is not translated to make tRNA. The latter is already present in the cytoplasm of the cell.
The first step in protein synthesis is Transcription in which a new RNA molecule is synthesized from a DNA template. This process takes place in the nucleus of the cell. The new RNA strand is called messenger RNA or simply mRNA because it carries information from the DNA in the nucleus to the site where this information can be Translated from nucleotide language to amino acid language. This site is actually the ribosome/s usually located in the cell cytoplasm.
The ribosome attaches to the mRNA and begins to read the code on the mRNA.
tRNA which is free in the cytoplasm or attached to the ribosome begins to fetch the correct amino acid coded for by the mRNA from the amino acid pool in the cytoplasm.
These amino acids are linked together in the ribosome with the help of enzymes to make a polypeptide chain which is actually the protein, newly formed.
The statement that is true about Protein synthesis is that DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
The correct statement about protein synthesis is: DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
Protein synthesis involves two main steps: transcription and translation. Transcription occurs in the nucleus and involves the synthesis of mRNA using a DNA template.
The mRNA molecule then moves to the cytoplasm where it is translated by ribosomes and tRNA molecules.
The tRNA molecules bring specific amino acids to the ribosome, which then assembles them into a polypeptide chain to form a protein.
Overall, DNA provides the instructions for the synthesis of mRNA, and mRNA serves as the template for protein synthesis.
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Answer:
Pathogenic fungus Ustilago maydis causing a plant disease which is known as corn smut (smuts on maize). This fungus grows in the ears of corn and changes corn kernels into black, and all above parts of the corn.
Corn smut showing a parasitic relationship with corn so, that it is using the corn as a way to spread spores, and causing pathogenic fungus disease.
Answer:
Pathogenic fungus Ustilago maydis causing a plant disease which is known as corn smut (smuts on maize). This fungus grows in the ears of corn and changes corn kernels into black, and all above parts of the corn.
Corn smut showing a parasitic relationship with corn so, that it is using the corn as a way to spread spores, and causing pathogenic fungus disease.
Explanation:
B. have limitations
C. comeplete
D. represent old infortmation
The scientific models always exhibits limitations.
• All the scientific models exhibit limitations as they are not representative of every possible scenario.
• Scientific models are not a substitution for experimentation, they can be used in combination with experimentation to further comprehend a concept, process, or event.
• The scientific models are based on present scientific knowledge and may have to be changed when novel discoveries are made.
Thus, all the scientific models have limitations, the correct answer is option B.
To know more about:
b. activity level
c. health status
d. genetic makeup
Answer:
Activity level.
Explanation:
Metabolism is the important for the cell survival and its growth. Most of the metabolic factors does not depend upon the control of the organism and occurs itself in the body.
Some factors can be improved or controlled by the activity level. The activity level can be controlled by the individual and may affect the flexibility and may also affect the other metabolic factor. One can control its own activity level.
Thus, the correct answer is option (b).